Hennery is a job title that is used to describe a person who works in a poultry farm. The term 'COOP' is a four letter acronym for the word 'COOPERATE', which is a term used to describe the work of a hennery. A hennery is responsible for taking care of chickens, including feeding them, cleaning their coops, and collecting eggs. They also monitor the health of the chickens and ensure that they are kept in a safe and healthy environment.